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4 .7 .2
Connecting flue gas accessories
Approved vent systems are:
• Twin pipe, concentric pipe and 1 pipe using room air PVC / CPVC /
• Stainless Steel
• Approved materials PVC, CPVC, Stainless Steel, PP and PP-Flex
(M&G Duravent PolyPro and Centrotherm InnoFlue)
• Sealed combustion or room air intake
• Terminations can be either horizontal or vertical, see details following
• The diameters of the flue outlet and combustion air intake inlet are
designed to fit standard PP, PVC, CPVC and stainless steel pipes.
The following table gives the diameter of the flue adapter on the
boiler.
Boiler
SSB85
Diameters
2" - 60mm
Tab. 4
Insert the exhaust pipe and the air intake pipe as shown in the following
figure:
A
B
Fig. 26
Insert the flue exhaust pipe "A" completely into the adapter and tighten
the clamp "B" present in the flue exhaust adapter.
Insert the air intake pipe "C" completely into the adapter and tighten the
clamp "D" present in the air intake adapter.
The correct flow direction into two pipes is shown in Fig. 27.
SSB
SSB120
SSB160
2" - 60mm
2" - 60mm
C
D
Fig. 27
4 .7 .3
Installation of the exhaust and air intake system
NOTICE: Do not extend exposed vent pipe outside the
building beyond Do not extend exposed vent pipe outside
the building beyond recommended distance of 39" or 1
meter. Condensate could freeze and block vent pipe
Vent should terminate at least 3 feet (915 mm) away from adjacent walls,
inside corners and 5 feet (1525 mm) below roof overhang ( [X2], [X4], see
Fig. 28)
Installation | 25
6720818456 (2018/06) US
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